Canada

Firm overview

Founded in 2006 with offices in London and Toronto, Brunet & Co is a privately held Canadian law firm specialising in intellectual property (IP) law . With a focused team of patent agents, lawyers, engineers, scientists, and business development professionals, Brunet & Co serves both Canadian clients and international corporations seeking IP protection in Canada.

Expertise & Services

The firm offers a full suite of services across patents, trademarks, industrial designs, and IP litigation. They have deep sector knowledge in pharmaceuticals, chemicals, life sciences, and software, and provide comprehensive support ranging from global patent prosecution to trademark filings and enforcement.

Their technology-driven processes automate patent filings with the Canadian Intellectual Property Office, enhancing efficiency and speeding time to filing.

Global Reach

While headquartered in London, Ontario, and maintaining a presence in Toronto, Brunet & Co operates internationally ─ supporting clients from the USA, Europe, and Asia to secure IP rights in Canada via a harmonised legal approach.

Key Strengths

Highly specialised technical expertise: in-house engineers, chemists and patent lawyers collaborate to craft high-quality patent applications.

Streamlined processes: automated workflows and close integration with corporate IP teams standardise filings, communications, and invoicing.

Industry recognition: recently named an Award‑Winning Law Firm in Canada by The Patent Lawyer Magazine 2025
brunetco.com.

Clients & Culture

Brunet & Co serves a diverse client base including startups, multinational corporations, and academic institutions. With a tight-knit team of fewer than ten professionals, they emphasise personalised client service, strategic IP counselling, and international collaboration.

Firm overview

Our bench strength as a global firm allows us to service clients through all stages of growth and across jurisdictions. With more than 250 lawyers, patent attorneys and trademark agents across five continents, our global intellectual property team has extensive experience providing comprehensive, multidisciplinary IP law services to clients worldwide.

IP Litigation practice

The national team of IP litigators at Norton Rose Fulbright is consistently ranked among the best in Canada. We are trusted counsel in all areas of intellectual property, including patents (infringement and impeachment actions, prohibition proceedings and section 8 damages actions under the Patented Medicines (Notice of Compliance) Regulations, copyrights, trademarks, trade secrets, counterfeit enforcement, and industrial designs. Our IP litigation team successfully appears on a regular basis before the Supreme Court of Canada, the Federal Court and Federal Court of Appeal, provincial superior courts, and tribunals across the country.

We are best known for decades of leadership in Canadian life sciences intellectual property litigation. We have creatively designed and applied successful trial strategies that have shaped life sciences patent litigation. We have replicated that success in other technological sectors including medical devices, aerospace, food and agri-business, financial services and energy among other technologies.

Patent practice

Norton Rose Fulbright Canada’s patent attorneys and agents have highly specialized degrees and provide comprehensive intellectual property advice and global portfolio strategy. We do the Canadian and global patent work for a stellar cross section of Canadian and international clients. Our Canadian Patent Centre of Excellence complements notably the patent expertise within Norton Rose Fulbright in the United States.

We are one of the largest patent filers in Canada with a particular emphasis on drafting original patents and global portfolio strategy.
We are often selected over our competitors because our patent prosecution expertise is unrivalled and works seamlessly with our disputes and regulatory lawyers to provide a strategic and holistic approach to patent portfolio management.

Trademark practice

We assist clients with all aspects of the branding process. This includes providing overall branding strategy, the drafting and prosecution of trademark applications, the provision of advice regarding availability and registrability of marks in Canada and globally. Our team provides strategic trademark advice including portfolio review, infringement surveillance, and advice on legal issues connected with introducing products and services to the market, such as branding, product information and advertising. We assist clients with all aspects of brand expansion into social media, including acquisition of domain names and enforcement of brands on all social media channels globally.

Copyright practice

Our copyright team has expertise in all aspects of copyright law including clearance, acquisition and registration, infringement and litigation, due diligence, licenses, assignments and transactional issues. We act for copyright owners working in various industries such as entertainment, music, art, fashion, literature, software and evolving media including telecommunications and the Internet. Similarly, our trademarks team works with clients to acquire, commercialize and safeguard their brands, including logos, product or container shapes and packaging. We are regularly called upon to advise on the copyright aspects of advertising and marketing campaigns. Clients consistently call upon our professionals for wide industry coverage, the shared experience between the team and our large panel of services.

Commercial IP practice

The IP team handles a wide range of commercial transactions relating to all areas of intellectual property including but not limited to, issues pertaining to data, data governance and IP strategy.

Firm overview

Founded in 2008, BRION RAFFOUL LLP is a leading Canadian IP law boutique firm.

We have a strong Canadian client base that includes universities, Canadian government agencies, multinational corporations, and small, medium, and large Canadian businesses. Our clients operate across a broad spectrum of technical domains, with deep experience in artificial intelligence, cybersecurity,telecommunications, and electronics. We also have a rapidly growing practice in the fields of oil and gas, microbiology, and pharmaceuticals.

BRION RAFFOUL LLP’s team of lawyers and patent and trademark agents are exceptionally skilled in securing and managing IP assets globally. Our patent agents, with backgrounds in engineering and other scientific disciplines, are highly experienced in procuring patents in cutting-edge fields. We offer a complete suite of IP services that includes managing patents, trademarks, and design registrations in Canada, the United States, and worldwide.

Through our robust international network of associates, we protect our clients’ IP assets throughout the world. In addition to our Canadian clients, we represent a broad array of foreign clients seeking to protect their intellectual property in Canada, both directly and through foreign associates.

Since 2014, BRION RAFFOUL LLP has been ranked as one of the top patent prosecution firms in Canada by IAM Patent 1000, which is commonly regarded as the definitive ‘go-to’ resource for those seeking to identify world-class private-practice patent expertise across the world. We have also received IAM’s prestigious silver ranking since 2016. This incredible achievement reflects the continued dedication and expertise of our exceptional team, who have consistently delivered outstanding intellectual property services to our clients. In addition to this prestigious silver ranking, both Natalie Raffoul and Art Brion are recognized as “Highly Recommended Individuals”, and Natalie is recognized as a global IP leader in IAM Strategy 300.

Firm overview

Osler’s top-ranked Intellectual Property team is renowned for its deep bench strength, featuring excellence in IP litigation; a stellar record in blockbuster patent and trade-mark prosecution; expertise in portfolio advising and management; and unmatched experience in helping realize the value of IP portfolios in mergers, reorganizations and other business transactions.

The team has a well-earned international reputation for excellence in Canadian IP litigation, including cross-border matters, built on our winning trial record representing some of the world’s most prominent companies and innovators in resolving their ground-breaking patent, copyright and trade-mark disputes in Canada.  

Osler’s Intellectual Property professionals offer proven expertise and superior service for clients of all sizes across a broad range of industries, including pharmaceuticals, biotech, technology, life sciences, electronics, aeronautics, consumer products, sports and entertainment, food services, and mechanical, chemical and software engineering.

We have extensive experience in drafting, filing, prosecuting and maintaining patent and industrial design applications in Canada, including for leading Canadian and multinational companies. Our patent agents, most of whom are PhD or Masters qualified, are highly proficient in dealing with patent protection and patent avoidance issues in the design, engineering and manufacturing of products, and particularly products to be distributed simultaneously in multiple jurisdictions. We regularly conduct freedom-to-operate studies and render opinions in respect of Canadian patents for our clients.

Osler has in-depth experience in clearing, registering, maintaining and enforcing trade-mark rights in Canada and internationally, on managing domestic and international portfolios for leading Canadian and global corporations and in successfully representing clients’ interests before the courts and intellectual property administrative tribunals. We also service an extensive network of foreign law and agency firms, assisting those firms in protecting the Canadian rights of their clients. For many consecutive years, Osler has been among the top filers of trade-mark applications with the Canadian Intellectual Property Office (“CIPO”).

Osler’s Intellectual Property team also represents clients in disputes and litigation involving copyright (including infringement claims, ownership disputes and Copyright Board tariff proceedings), trade-marks (including infringement claims, expungement proceedings and Trade-Mark Opposition Board proceedings), domain names, trade secrets/confidential information, anti-counterfeiting and misleading advertising.